(19)

(11)

EP 0 698 332 A1

(12)

(43) Date of publication: 28.02.1996 Bulletin 1996/09 (21) Application number: 95907681.0 (22) Date of filing: 13.02.1995

(51) International Patent Classification (IPC):  H04Q 7/ 38( . ) (86) International application number: PCT/FI1995/000062 (87) International publication number: WO 1995/022871 (24.08.1995 Gazette 1995/36)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 14.02.1994 FI 19940000687 (71) Applicant: NOKIA TELECOMMUNICATIONS OY FIN-02600 Espoo (FI)	(72) Inventors: VAITOVIRTA, Hannu FIN-02230 Espoo (FI) HEISKARI, Mika FIN-02100 Espoo (FI) (74) Representative: Tomlinson, Kerry John  Frank B. Dehn & Co. European Patent Attorneys Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)